References
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- BlackwellH. R. “Development of procedures and instruments for visual task evaluation”, Illuminating Engineering, Vol. 65, No. 4, April 1970, p. 267.
- ChorltonJ. M. and DavidsonH. F. “The effect of specular reflection on visibility: Part II—field measurements of loss of contrast”, Illuminating Engineering, Vol. 54, No. 8, August 1959, p. 482.
- EastmanA. A. “Contrast determination with the Pritchard telephotometer”, Illuminating Engineering, Vol. 60, No. 4, April 1965, p. 179.
- CIE Technical Committee 3.1, A unified framework of methods for evaluating visual performance aspects of lighting, CIE Publication No. 19, 1972.